SNVS321O
January 2005 – December 2015
LP38691
,
LP38691-Q1
,
LP38693
,
LP38693-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings: LP38691 and LP38693
6.3
ESD Ratings: LP38691-Q1 and LP38693-Q1
6.4
Recommended Operating Conditions
6.5
Thermal Information
6.6
Electrical Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
Enable (EN)
7.3.2
Thermal Overload Protection (TSD)
7.3.3
Foldback Current Limiting
7.4
Device Functional Modes
7.4.1
Enable (EN)
7.4.2
Minimum Operating Input Voltage (VIN)
8
Application and Implementation
8.1
Application Information
8.1.1
Reverse Voltage
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Power Dissipation and Device Operation
8.2.2.2
External Capacitors
8.2.2.3
Input Capacitor
8.2.2.4
Output Capacitor
8.2.2.5
No-Load Stability
8.2.2.6
Capacitor Characteristics
8.2.2.7
RFI/EMI Susceptibility
8.2.2.8
Output Noise
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
WSON Mounting
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Related Links
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
NGG|6
MPDS395
NDC|5
MPDS385
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvs321o_oa
snvs321o_pm